
# 箭头

snippet zjt "左双箭头" 
\Longleftarrow 
endsnippet

snippet yjt "右双箭头"
\Longrightarrow 
endsnippet

snippet zyjt "等价" i
\Longleftrightarrow 
endsnippet

snippet nyjt "非右箭头" i
\nRightarrow 
endsnippet

snippet zdjt "左单箭头" 
\longleftarrow 
endsnippet

snippet ydjt "右单箭头"
\longrightarrow 
endsnippet

